🚀 Add the Dockerfile for the web app

Dockerfile

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+FROM rust:latest AS builder
+
+WORKDIR /usr/src/beau-gosse-du-92
+
+COPY ./fonts ./fonts
+COPY ./images ./images
+
+
+COPY ./Dioxus.toml .
+COPY Cargo.* .
+COPY ./build.rs .
+COPY ./src ./src
+
+RUN cargo install dioxus-cli
+RUN dx build -r --platform web
+
+
+FROM nginx:mainline-alpine-slim
+
+COPY --from=builder /usr/src/beau-gosse-du-92/dist /usr/share/nginx/html